Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef PRINTING_METAFILE_SKIA_WRAPPER_H_ |
| 6 | #define PRINTING_METAFILE_SKIA_WRAPPER_H_ |
| 7 | |
| 8 | #include "printing/printing_export.h" |
| 9 | #include "third_party/skia/include/core/SkRefCnt.h" |
| 10 | |
| 11 | class SkCanvas; |
| 12 | |
| 13 | namespace printing { |
| 14 | |
| 15 | class Metafile; |
| 16 | |
| 17 | // A wrapper class with static methods to set and retrieve a Metafile |
| 18 | // on an SkCanvas. The ownership of the metafile is not affected and it |
| 19 | // is the caller's responsibility to ensure that the metafile remains valid |
| 20 | // as long as the canvas. |
| 21 | class PRINTING_EXPORT MetafileSkiaWrapper : public SkRefCnt { |
| 22 | public: |
| 23 | static void SetMetafileOnCanvas(const SkCanvas& canvas, Metafile* metafile); |
| 24 | |
| 25 | static Metafile* GetMetafileFromCanvas(const SkCanvas& canvas); |
| 26 | |
| 27 | // Methods to set and retrieve custom scale factor for metafile from canvas. |
| 28 | static void SetCustomScaleOnCanvas(const SkCanvas& canvas, double scale); |
| 29 | static bool GetCustomScaleOnCanvas(const SkCanvas& canvas, double* scale); |
| 30 | |
| 31 | private: |
| 32 | explicit MetafileSkiaWrapper(Metafile* metafile); |
| 33 | |
| 34 | Metafile* metafile_; |
| 35 | }; |
| 36 | |
| 37 | } // namespace printing |
| 38 | |
| 39 | #endif // PRINTING_METAFILE_SKIA_WRAPPER_H_ |